// Just put these snippets in your functions.php, and then add your login image to your theme images folder.

// This filter will link the logo to your prefered destination it can be the homepage of the site or another destination, you decide!
add_filter( ‘login_headerurl’, ‘my_custom_login_url’ );
function my_custom_login_url($url) {
return ‘http://www.change-this-to-your-domain.co.uk’;
}

// This action allows you to change the logo you see when you login to WordPress(http://website.com/wp-admin).
add_action(‘login_head’, ‘custom_login_logo’);
function custom_login_logo() {
echo ‘<style type=”text/css”>
h1 a { background-image:url(‘.get_bloginfo(‘template_directory’).’/images/login-logo.png) !important; }
</style>’;
}